
COBAN grain silos are designed to ensure safe storage, stable ventilation, and long-term grain preservation under different climate conditions. Each silo system can be customized based on capacity, grain type, and project requirements for optimal storage performance and reliability.

Capacity:3–50 tons (Customized according to project requirements)
Material:Hot-dip galvanized steel / Fiberglass reinforced plastic (FRP)
Application:Poultry farms, livestock farms, feed mills, automatic feeding systems
Discharge Method:Gravity discharge / Screw conveyor / Pneumatic conveying
Cone Angle:45°–60° for smooth feed flow and reduced material blockage
In modern livestock farming, feed storage is no longer only about keeping feed materials in a container. A properly designed feed storage system directly affects feed quality, feeding efficiency and daily operation costs.
From our experience in feed mill and livestock farm projects, many problems such as feed moisture absorption, material blockage, feed waste and manual handling costs are not caused by the feed itself, but by unsuitable storage equipment.
COBAN bulk feed silo is designed to provide a safe, efficient and automated storage solution for pellet feed, powder feed and mixed feed. With galvanized steel or fiberglass reinforced plastic construction, scientific cone design and optional intelligent control systems, our feed silos are widely used in poultry farms, pig farms, cattle farms, feed mills and integrated agricultural projects.
The purpose of a feed silo is simple: keep feed dry, protect feed quality and ensure stable supply to the feeding system.
A bulk feed silo is a vertical storage tank specially designed for storing animal feed materials before automatic feeding or production processing.
Compared with traditional warehouse storage or bagged feed storage, a feed silo provides:
According to different application requirements, COBAN provides galvanized steel feed silos and fiberglass feed silos for farms and industrial feed production facilities.
Typical stored materials include:

During many livestock farm projects, we found that customers usually focus only on silo capacity. However, the actual performance depends on storage structure, material selection and feeding connection.
| Item | Bulk Feed Silo | Traditional Warehouse Storage |
|---|---|---|
| Feed protection | Closed structure prevents moisture and contamination | Higher risk of moisture and pest problems |
| Labor requirement | Automatic filling and discharge possible | Requires manual handling |
| Space utilization | Vertical design saves land area | Requires large storage space |
| Feed loss | Low feed waste | Higher loss during handling |
| Feeding connection | Easily connected with automatic feeding lines | Limited automation |
| Operation efficiency | Suitable for modern farms | More suitable for small-scale farms |
For commercial poultry and livestock farms, a properly designed feed silo can significantly improve daily feeding efficiency.
A feed silo is not simply a steel tank. Every component affects long-term operation.
Based on engineering experience, COBAN feed silos mainly consist of:
The silo body is manufactured with high-quality galvanized steel sheets or fiberglass reinforced plastic materials.
Galvanized Steel Feed Silo
Recommended for:
Advantages:
The cone bottom is one of the most important parts of a feed silo.
A suitable cone angle helps:
COBAN designs cone angles according to different materials.
| Feed Material | Recommended Cone Angle |
|---|---|
| Pellet feed | 45°-50° |
| Mixed feed | 50°-55° |
| Powder feed | 55°-60° |
For high-fineness powder feed, a steeper cone angle or additional anti-bridging device may be recommended.
Feed quality is highly affected by humidity.
COBAN bulk feed silo adopts:
This helps reduce:
Different farms require different unloading methods.
Available options include:
| Discharge Method | Application |
|---|---|
| Gravity discharge | Standard pellet feed storage |
| Screw conveyor discharge | Automatic feeding systems |
| Pneumatic conveying | Large feed production plants |
| Rotary feeder system | Accurate feed distribution |
The following specifications are based on common COBAN project configurations. Final design can be customized according to feed type, climate condition and farm capacity.
| Parameter | Specification |
|---|---|
| Capacity | 3-50 tons |
| Material | Hot-dip galvanized steel / FRP |
| Steel coating | 275-350 g/m² zinc coating |
| Diameter | Customized according to capacity |
| Cone angle | 45°-60° |
| Wall thickness | 1.0-2.5 mm |
| Discharge outlet | Customized |
| Feeding method | Manual filling / Bulk truck filling |
| Discharge method | Gravity / Screw / Pneumatic |
| Level monitoring | Mechanical or ultrasonic sensor |
| Working temperature | -30℃ to 50℃ |
| Safety factor | ≥1.5 |
Different environments require different silo materials.
| Comparison | Galvanized Steel Silo | Fiberglass Feed Silo |
|---|---|---|
| Strength | ★★★★★ | ★★★★ |
| Corrosion resistance | Excellent | Excellent |
| Outdoor durability | Very good | Very good |
| Weight | Heavier | Lighter |
| Installation | Requires assembly | Easier installation |
| Suitable climate | Most regions | Humid and coastal areas |
| Cost level | Medium | Medium-high |
Engineering Recommendation
For large feed mills and commercial farms, galvanized steel feed silos are usually the first choice because of their high strength and long service life.
For farms located in coastal or highly humid regions, fiberglass feed silos can provide additional corrosion resistance.

For poultry farms with automatic feeding systems, feed silos provide continuous feed supply and reduce manual transportation.
Common applications:
Used for:
The silo can connect directly with automatic feeding pipelines.
For feed manufacturers, silos are used for:
They improve production continuity and reduce material handling time.
Capacity selection should be based on actual daily feed consumption.
The basic calculation method:
Required silo capacity = Daily feed consumption × Storage days
Example:
A poultry farm consumes:
Recommended capacity:
4 × 7 = 28 tons
A 30-ton bulk feed silo would be suitable.
However, during project design, we also consider:
Modern farms increasingly require automatic feeding.
COBAN feed silo can be integrated with:
Benefits:
As a feed silo manufacturer, COBAN controls each production step.
| Process | Quality Control |
|---|---|
| Steel plate cutting | Dimension accuracy |
| Sheet forming | Structural strength |
| Galvanizing inspection | Corrosion protection |
| Component assembly | Installation accuracy |
| Packing inspection | Export transportation safety |
Each silo is checked before shipment to ensure smooth installation at customer sites.
International transportation requires special consideration.
COBAN designs export packing according to container requirements.
Packing advantages:
Suitable for:

Bulk feed silo price
Most feed silos are modular structures.
COBAN provides:
Before installation, customers should prepare:
The price of a feed silo depends on several engineering factors.
Main factors include:
| Factor | Influence |
|---|---|
| Capacity | Larger silo requires more materials |
| Material | Steel and FRP have different costs |
| Automation level | Sensors and control systems affect price |
| Discharge system | Screw or pneumatic systems increase cost |
| Shipping distance | Affects international logistics cost |
For example:
A small farm feed silo of 5-10 tons has a different cost structure compared with a 50-ton feed storage silo for a commercial livestock farm.
COBAN provides project-based quotations according to:
1. How long can a bulk feed silo be used?
The service life depends on material, environment and maintenance.
A galvanized steel feed silo normally provides 10-20 years of service under normal conditions.
Fiberglass models can provide excellent durability in humid environments.
2. Can feed silo store powder feed?
Yes.
However, powder feed requires special consideration because it has poor flowability.
For powder feed storage, we usually recommend:
3. Can the silo connect with automatic feeding equipment?
Yes.
COBAN bulk feed silos can connect with automatic feeding systems used in modern poultry and livestock farms.
4. Do you provide customized feed silos?
Yes.
Customization includes:
5. Do you provide overseas installation support?
Yes.
COBAN provides:
For large projects, engineers can provide onsite support according to project requirements.
Every feed silo project is designed according to actual application conditions, including feed type, climate, farm scale and automation requirements.
From individual farm feed silos to complete feed mill storage systems, COBAN provides matching equipment solutions.
Our feed storage equipment has been supplied to farms and agricultural projects in Africa, Southeast Asia, Middle East and South America.
We provide:
Choosing the correct bulk feed silo is not only about storage capacity. The right structure improves feed quality, reduces operation cost and supports future farm automation.
Contact COBAN engineering team with your feed consumption, storage requirement and project information.
We will provide a suitable feed silo design, technical proposal and quotation according to your actual application.
Tell us your capacity, grain type, and project location. We will design a turnkey solution for you.